%% You should probably cite rfc1252 instead of this I-D.
@techreport{ietf-ospf-ospfmib-04,
    number =    {draft-ietf-ospf-ospfmib-04},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-ietf-ospf-ospfmib/04/},
    author =    {Fred Baker and Rob Coltun},
    title =     {{OSPF Version 2 Management Information Base}},
    pagetotal = 42,
    year =      1991,
    month =     jul,
    day =       1,
    abstract =  {This memo defines a portion of the Management Information Base (MIB) for use with network management protocols in TCP/IP-based internets. In particular, it defines objects for managing OSPF Version 2. {[}STANDARDS-TRACK{]}},
}